Alert archive / Maine / Severe Thunderstorm Warnings in 2013
Severe Thunderstorm Warning 83, NWS Caribou, ME
NWS Caribou, ME issued this severe thunderstorm warning at Sep 11, 2013, 8:54 AM EDT for Aroostook County, Penobscot County, Piscataquis County, Maine. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 11, 2013, 8:54 AM EDT (12:54 UTC)
- Expired
- Sep 11, 2013, 9:30 AM EDT
- In force
- 36 min
- Issued by
- NWS Caribou, ME
- Area
- Storm-based polygon
Counties Aroostook County, ME, Penobscot County, ME, Piscataquis County, ME
The radar
The Caribou radar (KCBW), 81 km from the middle of the area, began a volume at 12:55 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Caribou, ME (KCAR), launched 12:00Z, 0.9 hours before the alert went out and 120 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 2 J/kg
- Mixed-layer CIN
- -327 J/kg
- Mixed-layer LCL
- 438 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 261 m²/s²
- 0-3 km storm-relative helicity
- 363 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Caribou, ME wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 11, 8:12 AM EDT, 42 minutes earlier.
Area forecast discussion, Sep 11, 8:12 AM EDT, 42 minutes before
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</html>Hazardous weather outlook, Sep 11, 4:27 AM EDT, 4 hours 27 minutes before
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Special weather statement, Sep 11, 5:26 AM EDT, 3 hours 28 minutes before
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</html>The office that day
Everything else NWS Caribou, ME issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 11, 7:55 AM EDT | Severe Thunderstorm Warning | CAR | Aroostook | 35 min |
| Sep 11, 2:49 PM EDT | Severe Thunderstorm Warning | CAR | Aroostook, Piscataquis, Somerset | 41 min |
| Sep 11, 3:25 PM EDT | Severe Thunderstorm Warning | CAR | Aroostook, Penobscot, Piscataquis, Somerset | 50 min |
| Sep 11, 4:04 PM EDT | Tornado Warning | CAR | Aroostook, Penobscot, Piscataquis | 26 min |
| Sep 11, 4:12 PM EDT | Severe Thunderstorm Warning | CAR | Aroostook, Penobscot, Piscataquis | 48 min |
| Sep 11, 4:27 PM EDT | Tornado Warning | CAR | Aroostook | 33 min |
| Sep 11, 4:42 PM EDT | Areal Flood Advisory | CAR | Aroostook | 3 hr |
| Sep 11, 4:53 PM EDT | Severe Thunderstorm Warning | CAR | Aroostook, Penobscot | 52 min |
| Sep 11, 5:37 PM EDT | Severe Thunderstorm Warning | CAR | Aroostook | 23 min |
| Sep 11, 6:12 PM EDT | Areal Flood Advisory | CAR | Aroostook, Penobscot | 3 hr |
| Sep 11, 6:48 PM EDT | Severe Thunderstorm Warning | CAR | Penobscot, Washington | 57 min |
| Sep 11, 7:42 PM EDT | Severe Thunderstorm Warning | CAR | Penobscot, Washington | 63 min |
Nearby
Severe Thunderstorm Warnings in Maine, 2013Every severe thunderstorm warning in 2013
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.